The bit twiddlers at Red Hat have been hard at work for the past four years, laying the groundwork in the upstream Linux kernel for what will become Enterprise Linux 6, says Tim Burke, vice president of Linux engineering development at the company. And with RHEL 6, which just entered its first beta today, the company wants to …

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It'll be interesting to see what KVM guest performance is like in RHEL 6, because it's not fantastic in the current 5.X series. BTW, am I the only one surprised that when you reboot the host in RHEL 5.X, all the KVM guests just die as if their power had been yanked out (i.e. there's no save guest state on host shutdown and restore guest state on host poweron)? I ended up having to write my own initscript to do it, because without it, you end up with fsck's on all the guests when the host is rebooted and the inherent risk of filestore corruption.